A new fluorescent assay for sialyltransferase

被引:8
作者
Kajihara, Y [1 ]
Kamitani, T [1 ]
Sakakibara, T [1 ]
机构
[1] Yokohama City Univ, Fac Sci, Dept Syst Funct, Kanazawa Ku, Yokohama, Kanagawa 2360027, Japan
关键词
sialyltransferase assay; fluorescent labeling; sialic acid;
D O I
10.1016/S0008-6215(01)00056-8
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A new fluorescent assay for the sialyltransferase reaction was established. After incubation of the sialyltransferase reaction, the sialyloligosaccharide obtained was treated by acid hydrolysis, and then the NeuAc that was released was labeled with 1,2-diamino-4,5-methylenedioxibenzene. The fluorescent-labeled NeuAc could be estimated by HPLC (excitation: 373 nm; emission: 448 nm) and a Lineweaver-Burk plot could be plotted with the data from this analysis. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:455 / 459
页数:5
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